Home / 115,828.80-174,002.40-111,105.60

Finding the Fourth Proportional to 115,828.80, 174,002.40 and 111,105.60

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Solution

The fourth proportional to 115,828.80, 174,002.40 and 111,105.60 is: 166,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,828.80 : 174,002.40 = 111,105.60 : x
  2. Step 2: Convert to fraction form
    115,828.80/174,002.40 = 111,105.60/x
  3. Step 3: Cross multiply
    115,828.80x = 174,002.40 × 111,105.60
  4. Step 4: Simplify right side
    115,828.80x = 19,332,641,053.44
  5. Step 5: Solve for x
    x = 19,332,641,053.44/115,828.80
  6. Step 6: Final answer
    x = 166,907.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.